CVSS v3
8.8
HIGH
EPSS Score
39.3%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's PDF Reader, version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Active exploitation of CVE-2018-3939 has not been confirmed. The EPSS score is 39.3%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2018-3939 has a CVSS v3 base score of 8.8 (HIGH severity).
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Ranked by exploit probability (EPSS).